arch/x86_64: begin new allocator draft

1 files changed, 19 insertions, 0 deletions

diff --git a/arch/x86_64/include/arch/memory/higher_half_mapper.hpp b/arch/x86_64/include/arch/memory/higher_half_mapper.hpp
new file mode 100644
index 0000000..66fb58b
--- /dev/null
+++ b/arch/x86_64/include/arch/memory/higher_half_mapper.hpp
@@ -0,0 +1,19 @@
+#ifndef TEACHOS_X86_64_HIGHER_HALF_MAPPER_HPP
+#define TEACHOS_X86_64_HIGHER_HALF_MAPPER_HPP
+
+#include "kapi/memory.hpp"
+namespace arch::memory
+{
+
+  struct higher_half_mapper : kapi::memory::page_mapper
+  {
+    auto map(kapi::memory::page page, kapi::memory::frame frame, flags flags) -> std::byte * override;
+
+    auto unmap(kapi::memory::page page) -> void override;
+
+    auto try_unmap(kapi::memory::page page) noexcept -> bool override;
+  };
+
+}  // namespace arch::memory
+
+#endif
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